package day03;

public class OperDemo5 {
    public static void main(String[] args) {
        int age =18;
        System.out.println("age=");
        System.out.println(age);
        System.out.println("age="+age);
        System.out.println("今年刚满"+age+"岁");
        String name = "XXX";
        System.out.println("我叫"+name+"，今年刚满"+age+"岁");

        System.out.println(""+12+45+65);//124565-----String类型
        System.out.println(54+12+""+45);//6645-------String类型
        System.out.println(12+44+78+"");//134--------String类型
    }
}
